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Microchip GPIO Expander Keypad & LCD Demonstration Board

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GPIO Expander Keypad & LCD Demo Board

This Demo Board is designed to demonstrate the use of the MCP23S08/17 (SPI interface) and MCP23008/17 (I²C interface) devices in a keypad and LCD example.

MCP23X17 (16-bit) devices interface to a 2x16 LCD module
MCP23X08 (8-bit) devices interface to a 4x4 key matrix
Test points allow for easy monitoring of SPI and I²C buses, as well as the keypad and LCD interface to the PIC
ICSP™ header for the PIC microcontroller allows users to customize firmware
Can be powered from a +3V to +5Vdc power source (connected to the +5V and GND test points)

I/O Peripherals - Microchip

Kit ClassificationDemonstration Board
Kit NameGPIO Expander Keypad & LCD